Pipe coupler



J. BECKER PIPE COUPLER Dec. 22, 1925. 1,566,953

Filed Feb. 13 1925 B (5 e n INQZNTOIL A TTORNEY Patented Dec. 22, 1925. 1,555,953

UNITED STATES PATENT OFFICE.

JOHN BECKER, F WARREN, IDAHO.

PIPE COUPLER.

Application filed February 13, 1925. Serial No. 8,972.

To all wh m it may concerns. with grooves 9 engaging the ribs, is ap- Be it known that JOHN BECKEP, a citiplied to the sleeve and moved longitudinal- Zen of the United States of America, re- 1y of the latter, diametrical contraction of siding at l Varren, in the county of Idaho the sleeve may result. and State of Idaho, has invented new and The clamp member and sleeve constitute 5 useful Improvements in Pipe Couplers, of not only the essential elements but pracwhich the following is a specification. tically all that is required in the coupling, The purpose of the invention is to probut to insure the clamp member being revide coupling means for pipes and the like, tained in place, a locking key is pro- 10 whereby the necessity for a screw-threaded vided which is also cross sectionally ar- (10 joint may be avoided, thus making it poscuate and engages between the clamp and sible to elfect a firm and effective coupling the sleeve bet-ween the longitudinal ribs 7 of adjoining pipe sections where it is imon the latter. practicable to turn one or the other as is The key is preferably inserted at the narnecessary in screw-threaded couplings. rower end of the clamp and is transversely 65 With this general object in view, the ingrooved Or corrugated to provide inwardly vent-ion consists in a construction and comprojecting ribs 11 adapted to seat in the bination of parts of which a preferred emcorrugations on the face of the sleeve bebodiinentis illustrated in the accompanytween the ribs on the latter, and its uping drawings, wherein: turned terminal ear 1?. abuts the end of the 70 Figure 1 is aplan view showing the conclamp member. The ear may constitute an necting ends of adjacent pipe sections with impact surface for a driving tool in seatthe improved coupling in place. ing the key or in the removal of the latter Figure 2 is a longitudinal sectional view 111 the event of the removal of the conon the line 22 of Figure l. pling- 75 Figure 3 is a transverse sectional view on The invention having been described, the line of Figure 1. what is claimed as new and useful is:

Figure at is a detail view illustrating the 1. A pipe coupling consisting of diametsleeve on the coupling. rical contractible sleeve, a clamp member Figure 5 is a detail perspective View illushaving interlocking engagement with the so trating the clampingmember. sleeve and adapted to contract the latter Figure 6 is a similar view illustrating the upon relative longitudinal movement of the key. two, and a key member insertable between The sleeve 1 is slit longitudinally, as inthe clamp member and the sleeve and havdicated at 2, to provide for diametrical coning transverse ribs engaging transverse 3:, tr ction of the sleeve on the adjoining ends grooves formed in the sleeve. of the pipe sections 3 and a, a suitable com- 2. A. pipe coupling consisting of diamet' pressible gasket 5 being wrapped around rical contractible sleeve, a clamp member the pipe sections prior to the application havlng interlocking engagement with the .10 of the sleeve which, in order to firmly ensleeve and adapted to contract the latter 90 gage the gasket, is formed with peripheral upon relative longitudinal movement of the corrugations constituting inwardly projecttwo, and a key member insertable between ing ribs 6. the clamp member and the sleeve and hav- To provide for the diametrieal contraclug transverse ribs engaging transverse lion of the sleeve, it is formed, on oppogrooves formed in the sleeve, the key inem- 5 site sides of the slit 2, with the longitudiher having an ear for terminal engagement nal ribs 7, said ribs being disposed in eonwith the clamp member. verging relation, so that when the clamp In testimony whereof he affixes his sigma member 8, which is cross sectionally arcuture. ate to correspond to the sleeve and is formed JOHN BECKER. 

